sprock·​et | \ˈsprä-kət \

Definition of sprocket 

1 : a toothed wheel whose teeth engage the links of a chain

2 : a cylinder with teeth around the circumference at either end that project through perforations in something (such as motion-picture film) to move it through a mechanism (such as a projector)

Examples of sprocket in a Sentence

Recent Examples on the Web

The Iron 1200 has all-black, nine-spoke wheels and a solid black belt guard and rear sprocket. Rick Barrett, Milwaukee Journal Sentinel, "Harley-Davidson launches two new 2018 Sportsters," 21 Feb. 2018 Center the sprocket, Uni-Hub and brake drum on the axle. Harry Sawyers, Popular Mechanics, "How to Build a Go Kart in One Day," 9 Mar. 2015 The company's name sits on a magnetic armature, and the whole design is circled with a sprocket to signify mechanical engineering. Tyler Langan, Milwaukee Journal Sentinel, "Inventors Brewpub owner ditched engineering career to pursue brewing dreams," 6 Sep. 2017 MST-HS has become its own showcase of innovation, created with students like Hope in mind, students who might not flourish in a traditional high school but enjoy learning math and other skills with the help of sprockets and spokes. Stacy Teicher Khadaroo, The Christian Science Monitor, "Reinventing high school," 21 May 2017 The new, full-time active transfer case uses forged steel chain sprockets and a wider chain for added strength and durability. Terry Troy, cleveland.com, "Jeep introduces the most powerful production SUV ever," 13 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sprocket.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sprocket

1886, in the meaning defined at sense 1

History and Etymology for sprocket

origin unknown

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Dictionary Entries near sprocket





sprocket wheel



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Time Traveler for sprocket

The first known use of sprocket was in 1886

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More Definitions for sprocket



English Language Learners Definition of sprocket

: a wheel that has a row of teeth around its edge which fit into the holes of something (such as a bicycle chain or a piece of film) and cause it to turn when the wheel turns; also : any one of the teeth on such a wheel


sprock·​et | \ˈsprä-kət \

Kids Definition of sprocket

: one of many points that stick up on the rim of a wheel ( sprocket wheel ) shaped so as to fit into the links of a chain

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a private place of worship

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